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| Frequency
and Total Duration of Display of Tropical Cyclone Warning Signals :
1956-2007
| Year |
Signals |
Total
Duration |
|
1 |
3 |
8
NW |
8
SW |
8
NE |
8
SE |
9 |
10 |
|
hr |
min |
| 1956 |
5 |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
191 |
25 |
| 1957 |
4 |
9 |
1 |
1 |
2 |
2 |
0 |
1 |
295 |
45 |
| 1958 |
4 |
5 |
0 |
0 |
1 |
0 |
0 |
0 |
214 |
5 |
| 1959 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
36 |
35 |
| 1960 |
11 |
7 |
0 |
2 |
2 |
2 |
1 |
1 |
432 |
35 |
| 1961 |
6 |
7 |
1 |
2 |
1 |
0 |
1 |
1 |
192 |
55 |
| 1962 |
4 |
3 |
0 |
1 |
1 |
0 |
1 |
1 |
158 |
10 |
| 1963 |
4 |
5 |
0 |
0 |
1 |
0 |
0 |
0 |
175 |
50 |
| 1964 |
11 |
14 |
1 |
3 |
5 |
3 |
3 |
2 |
570 |
15 |
| 1965 |
7 |
6 |
0 |
0 |
1 |
1 |
0 |
0 |
239 |
40 |
| 1966 |
6 |
5 |
0 |
0 |
2 |
2 |
0 |
0 |
284 |
40 |
| 1967 |
8 |
6 |
0 |
0 |
2 |
1 |
0 |
0 |
339 |
10 |
| 1968 |
7 |
7 |
0 |
1 |
1 |
0 |
1 |
1 |
290 |
10 |
| 1969 |
4 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
110 |
15 |
| 1970 |
6 |
8 |
2 |
1 |
2 |
0 |
0 |
0 |
286 |
45 |
| 1971 |
9 |
10 |
1 |
3 |
2 |
2 |
1 |
1 |
323 |
25 |
| 1972 |
8 |
6 |
0 |
0 |
1 |
1 |
0 |
0 |
288 |
20 |
| 1973 |
8 |
6 |
1 |
1 |
1 |
0 |
1 |
0 |
416 |
50 |
| 1974 |
12 |
10 |
0 |
0 |
2 |
1 |
1 |
0 |
525 |
20 |
| 1975 |
8 |
6 |
1 |
0 |
0 |
1 |
1 |
1 |
292 |
20 |
| 1976 |
6 |
6 |
0 |
0 |
1 |
2 |
0 |
0 |
351 |
30 |
| 1977 |
8 |
6 |
0 |
0 |
1 |
0 |
0 |
0 |
395 |
10 |
| 1978 |
8 |
9 |
1 |
1 |
3 |
2 |
0 |
0 |
462 |
10 |
| 1979 |
5 |
5 |
1 |
0 |
2 |
2 |
1 |
1 |
281 |
15 |
| 1980 |
10 |
8 |
0 |
0 |
1 |
1 |
0 |
0 |
414 |
5 |
| 1981 |
5 |
4 |
0 |
0 |
1 |
1 |
0 |
0 |
202 |
20 |
| 1982 |
7 |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
247 |
35 |
| 1983 |
8 |
7 |
0 |
1 |
2 |
2 |
1 |
1 |
289 |
42 |
| 1984 |
6 |
6 |
0 |
0 |
1 |
0 |
0 |
0 |
280 |
2 |
| 1985 |
5 |
4 |
1 |
0 |
0 |
1 |
0 |
0 |
193 |
35 |
| 1986 |
6 |
7 |
0 |
1 |
1 |
0 |
0 |
0 |
305 |
0 |
| 1987 |
6 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
165 |
45 |
| 1988 |
6 |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
204 |
10 |
| 1989 |
7 |
8 |
0 |
0 |
2 |
2 |
0 |
0 |
306 |
10 |
| 1990 |
6 |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
245 |
10 |
| 1991 |
8 |
6 |
0 |
0 |
1 |
1 |
0 |
0 |
349 |
55 |
| 1992 |
5 |
5 |
0 |
0 |
1 |
1 |
0 |
0 |
167 |
5 |
| 1993 |
8 |
9 |
0 |
0 |
2 |
4 |
0 |
0 |
325 |
40 |
| 1994 |
4 |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
138 |
10 |
| 1995 |
8 |
6 |
2 |
2 |
1 |
1 |
0 |
0 |
348 |
50 |
| 1996 |
7 |
2 |
0 |
0 |
0 |
1 |
0 |
0 |
189 |
0 |
| 1997 |
2 |
3 |
0 |
1 |
1 |
0 |
1 |
0 |
97 |
30 |
| 1998 |
5 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
188 |
35 |
| 1999 |
10 |
13 |
4 |
3 |
2 |
0 |
2 |
1 |
520 |
0 |
| 2000 |
7 |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
329 |
5 |
| 2001 |
6 |
6 |
1 |
1 |
2 |
1 |
0 |
0 |
253 |
35 |
| 2002 |
3 |
2 |
0 |
0 |
0 |
1 |
0 |
0 |
144 |
25 |
| 2003 |
4 |
5 |
1 |
1 |
1 |
1 |
1 |
0 |
158 |
0 |
| 2004 |
3 |
2 |
1 |
1 |
1 |
0 |
0 |
0 |
77 |
35 |
| 2005 |
3 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
142 |
45 |
| 2006 |
10 |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
317 |
50 |
| 2007 |
4 |
3 |
0 |
1 |
0 |
0 |
0 |
0 |
86 |
50 |
| Total |
329 |
284 |
20 |
28 |
54 |
40 |
17 |
12 |
13842 |
59 |
| Mean |
6.3 |
5.5 |
0.4 |
0.5 |
1.0 |
0.8 |
0.3 |
0.2 |
266 |
13 |
|
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